Nate ii



vUNITED.. STATES PATENT OFFICE.

NATE H. ROBERTS, OF INDIANAPOLIS, INDIANA, ASSIGNOR TO THE E. C. ATKINS dr COMPANY, OF SAME PLACE.

BUCKSAW-FRAIVI E.

SPECIFICATION forming part of Letters Patent No. 424,999, dated April 8, 1890.

` Application filed June 24, 1889. Serial No. 315,318. (No model.)

To @ZZ whom it may concern: or ring c2 surrounds these rods where they 5o Be it known that I, NATE H. ROBERTS, a cross, thus preventing them from springing citizen of the United States, residing at Indiapart sidewise. This construction is very efanapolis, in the county of Marion and State fective in operation, and can be easily ad- 5 of Indiana, have invented certain :new andl justed so as to throT the frame into any pouseful Improvements in Bucksaw-Frames, of sition desired,the variation in position being which the following is a specification. secured by loosening one thumb-screw and My invention consists in a peculiar artightening the other, as will be readily unrangement of tension-rods by which the frame derstood.

1o of a bucksaw is held to the desired tension Having thus fully described my said invenwithout braces other than the ordinary cention,whatI claim as new, and desire to secure 6o tral cross-bar, and this in a very simple and by Letters Patent, iseffective manner. l. rlhe combination, with the end pieces and Referring to the accompanying drawings, central bar of a bucksaw-frame, of tension- 15 which are made a part hereof, and on which rods O, crossing each other and engaging with similar letters of reference indicate similar the frame-work, said tension-rods being pro- K parts, Figure l is a side elevation of a buckvided with hooks upon one end and thumbsaw-frame having or embodying my said inscrews upon the other, whereby said engagevention; Fig. 2, a detail sectional'view on an ment is effected, substantially asset forth.

2o enlarged scale, showing the upper end of the 2. The combination, with the end pieces and rod and that portion of the frame through central bar of a bucksaw-frame, of tension- 6o which it passes; and Fig. 3,a similar view of rods, the ends of which engage with said the other end of the rod and adjacent parts frame, one end of each of said rods being of the frame, showing the angle to which the hooked for the purposes of said engagement,

2 5 hookedends of the rods are preferably bent. the hooked portion being at an angle slightly In said drawings, the portions marked A more acute than the right angle with the represent the ends of the bucksaw-fran1e, B body of the rod, and said central bar being the saw, and C the rods. provided with holes to receive said hooked The ends A are similar to those of an orportions, substantially as shown and de- 30 dinary bucksaw, as is also the cross-bar A', scribed.

which extends between them, except that said 3. The combination of the end pieces and 8o cross-bar has holes extending into it at an central bar of a bucksaw-frame and tensionaugle, as will be presently described, to rerods crossing each other and engaging with ceive the hooked ends of the rods, and the said bar and said end pieces, and a ring or a 3 5 ends of sa-id end pieces are also so bored to link surrounding said rods where they cross,

receive the other ends of said rods. Bushsubstantially as shown and described. ings or sleeves a may be inserted in these 4t. The combination of the end pieces A, the holes, if desired, in order to protect them from bar A, and rods O, said bar A having holes wearing. to receive the ends of said rods, with bush- 40 The rods O are two plain light screw-rods, ings or sleeves therein, substantially as set.

having thumb-screws c upon their outer ends, forth. 9o and having their inner ends c hooked, as In witness whereof I have hereunto set my shown, at an angle somewhat more acute than hand and seal, at Indianapolis, Indiana, this a right angle. fThe object of thisf is to pre- 17th day of June, A. D. 1889.

4 vent the hooks rom drawing out o the holes i 5 in the cross-bar A', the tendency rather be- NATE H' ROLERTS [L S] ing to draw the hooks farther into the hole Witnesses: with the increasing pressure occasioned by C. BRADFORD. the tightening of the thumb-screws. A link O. IV. H. BROWN. 

